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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chrono::</span>operator/ <span style="font-size:0.7em; line-height:130%">(calendar)</span></h1>
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<tr class="t-nv-h2"><td colspan="5"> Integer comparison functions</td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/intcmp.html" title="cpp/utility/intcmp"><span class="t-lines"><span>cmp_equal</span><span>cmp_less</span><span>cmp_less_than</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span>   </span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/intcmp.html" title="cpp/utility/intcmp"><span class="t-lines"><span>cmp_not_equal</span><span>cmp_greater</span><span>cmp_greater_than</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/in_range.html" title="cpp/utility/in range"><span class="t-lines"><span>in_range</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Swap and type operations</td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../algorithm/swap.html" title="cpp/algorithm/swap"><span class="t-lines"><span>swap</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/ranges/swap.html" title="cpp/utility/ranges/swap"><span class="t-lines"><span>ranges::swap</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/exchange.html" title="cpp/utility/exchange"><span class="t-lines"><span>exchange</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx14">(C++14)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/declval.html" title="cpp/utility/declval"><span class="t-lines"><span>declval</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/to_underlying.html" title="cpp/utility/to underlying"><span class="t-lines"><span>to_underlying</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/forward.html" title="cpp/utility/forward"><span class="t-lines"><span>forward</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/forward_like.html" title="cpp/utility/forward like"><span class="t-lines"><span>forward_like</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/move.html" title="cpp/utility/move"><span class="t-lines"><span>move</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/move_if_noexcept.html" title="cpp/utility/move if noexcept"><span class="t-lines"><span>move_if_noexcept</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/as_const.html" title="cpp/utility/as const"><span class="t-lines"><span>as_const</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Common vocabulary types </td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/pair.html" title="cpp/utility/pair"><span class="t-lines"><span>pair</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/tuple.html" title="cpp/utility/tuple"><span class="t-lines"><span>tuple</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/optional.html" title="cpp/utility/optional"><span class="t-lines"><span>optional</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/any.html" title="cpp/utility/any"><span class="t-lines"><span>any</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/variant.html" title="cpp/utility/variant"><span class="t-lines"><span>variant</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/tuple_size.html" title="cpp/utility/tuple size"><span class="t-lines"><span>tuple_size</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/tuple_element.html" title="cpp/utility/tuple element"><span class="t-lines"><span>tuple_element</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/apply.html" title="cpp/utility/apply"><span class="t-lines"><span>apply</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/make_from_tuple.html" title="cpp/utility/make from tuple"><span class="t-lines"><span>make_from_tuple</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="https://en.cppreference.com/mwiki/index.php?title=cpp/utility/expected&amp;action=edit&amp;redlink=1" class="new" title="cpp/utility/expected (page does not exist)"><span class="t-lines"><span>expected</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx23">(C++23)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> Elementary string conversions</td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/to_chars.html" title="cpp/utility/to chars"><span class="t-lines"><span>to_chars</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/from_chars.html" title="cpp/utility/from chars"><span class="t-lines"><span>from_chars</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="../utility/chars_format.html" title="cpp/utility/chars format"><span class="t-lines"><span>chars_format</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
</table></div></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div><div class="t-navbar-head"><a href="../chrono.html" title="cpp/chrono">Date and time utilities</a><div class="t-navbar-menu"><div><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#Time_point" title="cpp/chrono">Time point</a> </td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_point.html" title="cpp/chrono/time point"><span class="t-lines"><span>time_point</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="clock_time_conversion.html" title="cpp/chrono/clock time conversion"><span class="t-lines"><span>clock_time_conversion</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="clock_cast.html" title="cpp/chrono/clock cast"><span class="t-lines"><span>clock_cast</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#Duration" title="cpp/chrono">Duration</a> </td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="duration.html" title="cpp/chrono/duration"><span class="t-lines"><span>duration</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#Clocks" title="cpp/chrono">Clocks</a> </td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="system_clock.html" title="cpp/chrono/system clock"><span class="t-lines"><span>system_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="steady_clock.html" title="cpp/chrono/steady clock"><span class="t-lines"><span>steady_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="high_resolution_clock.html" title="cpp/chrono/high resolution clock"><span class="t-lines"><span>high_resolution_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span>      </span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="is_clock.html" title="cpp/chrono/is clock"><span class="t-lines"><span>is_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="utc_clock.html" title="cpp/chrono/utc clock"><span class="t-lines"><span>utc_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tai_clock.html" title="cpp/chrono/tai clock"><span class="t-lines"><span>tai_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="gps_clock.html" title="cpp/chrono/gps clock"><span class="t-lines"><span>gps_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="file_clock.html" title="cpp/chrono/file clock"><span class="t-lines"><span>file_clock</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="local_t.html" title="cpp/chrono/local t"><span class="t-lines"><span>local_t</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#Time_of_day" title="cpp/chrono">Time of day</a></td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="hour_fun.html" title="cpp/chrono/hour fun"><span class="t-lines"><span>is_am</span><span>is_pm</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="hour_fun.html" title="cpp/chrono/hour fun"><span class="t-lines"><span>make12</span><span>make24</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="hh_mm_ss.html" title="cpp/chrono/hh mm ss"><span class="t-lines"><span>hh_mm_ss</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#Calendar" title="cpp/chrono">Calendars</a></td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="day.html" title="cpp/chrono/day"><span class="t-lines"><span>day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month.html" title="cpp/chrono/month"><span class="t-lines"><span>month</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year.html" title="cpp/chrono/year"><span class="t-lines"><span>year</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="weekday.html" title="cpp/chrono/weekday"><span class="t-lines"><span>weekday</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><strong class="selflink"><span class="t-lines"><span>operator/</span></span></strong></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_day.html" title="cpp/chrono/year month day"><span class="t-lines"><span>year_month_day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_day_last.html" title="cpp/chrono/year month day last"><span class="t-lines"><span>year_month_day_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_weekday.html" title="cpp/chrono/year month weekday"><span class="t-lines"><span>year_month_weekday</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month_weekday_last.html" title="cpp/chrono/year month weekday last"><span class="t-lines"><span>year_month_weekday_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span>      </span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="weekday_indexed.html" title="cpp/chrono/weekday indexed"><span class="t-lines"><span>weekday_indexed</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="weekday_last.html" title="cpp/chrono/weekday last"><span class="t-lines"><span>weekday_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_day.html" title="cpp/chrono/month day"><span class="t-lines"><span>month_day</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_day_last.html" title="cpp/chrono/month day last"><span class="t-lines"><span>month_day_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_weekday.html" title="cpp/chrono/month weekday"><span class="t-lines"><span>month_weekday</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="month_weekday_last.html" title="cpp/chrono/month weekday last"><span class="t-lines"><span>month_weekday_last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="year_month.html" title="cpp/chrono/year month"><span class="t-lines"><span>year_month</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="last_spec.html" title="cpp/chrono/last spec"><span class="t-lines"><span>last_spec</span><span>last</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#Time_zone" title="cpp/chrono">Time zones</a></td></tr>
<tr class="t-nv-col-table"><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tzdb.html" title="cpp/chrono/tzdb"><span class="t-lines"><span>tzdb</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tzdb_list.html" title="cpp/chrono/tzdb list"><span class="t-lines"><span>tzdb_list</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="tzdb_functions.html" title="cpp/chrono/tzdb functions"><span class="t-lines"><span>get_tzdb</span><span>get_tzdb_list</span><span>reload_tzdb</span><span>remote_version</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="sys_info.html" title="cpp/chrono/sys info"><span class="t-lines"><span>sys_info</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="local_info.html" title="cpp/chrono/local info"><span class="t-lines"><span>local_info</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="nonexistent_local_time.html" title="cpp/chrono/nonexistent local time"><span class="t-lines"><span>nonexistent_local_time</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="ambiguous_local_time.html" title="cpp/chrono/ambiguous local time"><span class="t-lines"><span>ambiguous_local_time</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="locate_zone.html" title="cpp/chrono/locate zone"><span class="t-lines"><span>locate_zone</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="current_zone.html" title="cpp/chrono/current zone"><span class="t-lines"><span>current_zone</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_zone.html" title="cpp/chrono/time zone"><span class="t-lines"><span>time_zone</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="choose.html" title="cpp/chrono/choose"><span class="t-lines"><span>choose</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
</table></div></td><td><div><table class="t-nv-begin" cellpadding="0" style="">
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="zoned_traits.html" title="cpp/chrono/zoned traits"><span class="t-lines"><span>zoned_traits</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="zoned_time.html" title="cpp/chrono/zoned time"><span class="t-lines"><span>zoned_time</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="time_zone_link.html" title="cpp/chrono/time zone link"><span class="t-lines"><span>time_zone_link</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="leap_second.html" title="cpp/chrono/leap second"><span class="t-lines"><span>leap_second</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="utc_clock/leap_second_info.html" title="cpp/chrono/utc clock/leap second info"><span class="t-lines"><span>leap_second_info</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="utc_clock/get_leap_second_info.html" title="cpp/chrono/utc clock/get leap second info"><span class="t-lines"><span>get_leap_second_info</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"> <br>
</td></tr>
</table></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="../chrono.html#chrono_I.2FO" title="cpp/chrono"><code>chrono</code> I/O</a></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="parse.html" title="cpp/chrono/parse"><span class="t-lines"><span>parse</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx20">(C++20)</span></span></span></div></div></td></tr>
<tr class="t-nv-h2"><td colspan="5"> <a href="c.html" title="cpp/chrono/c"> C-style date and time</a></td></tr>
</table></div><div></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dsc-header">
<td> <div>Defined in header <code><a href="../header/chrono.html" title="cpp/header/chrono">&lt;chrono&gt;</a></code>
 </div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>year_month</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y,<br>
<p>                          <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy4">;</span></span></div></td>
<td> (1) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y, <span class="kw4">int</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy4">;</span></span></div></td>
<td> (2) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>month_day</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m,<br>
<p>                          <span class="kw4">const</span> <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="sy3">&amp;</span> d <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (3) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m, <span class="kw4">int</span> d <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (4) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> m, <span class="kw4">const</span> <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="sy3">&amp;</span> d <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (5) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="sy3">&amp;</span> d,<br>
<p>                          <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
   <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (6) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="sy3">&amp;</span> d, <span class="kw4">int</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (7) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>month_day_last</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m,<br>
<p>                         <a href="last_spec.html"><span class="kw2545">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span></span></a> <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (8) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> m, <a href="last_spec.html"><span class="kw2545">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span></span></a> <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (9) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <a href="last_spec.html"><span class="kw2545">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span></span></a>,<br>
<p>                          <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (10) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <a href="last_spec.html"><span class="kw2545">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span></span></a>, <span class="kw4">int</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (11) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>month_weekday</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m,<br>
<p>                          <span class="kw4">const</span> <a href="weekday_indexed.html"><span class="kw2570">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span></span></a><span class="sy3">&amp;</span> wdi <span class="br0">)</span> <span class="kw1">noexcept</span> <br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (12) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> m, <span class="kw4">const</span> <a href="weekday_indexed.html"><span class="kw2570">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span></span></a><span class="sy3">&amp;</span> wdi <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (13) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="weekday_indexed.html"><span class="kw2570">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span></span></a><span class="sy3">&amp;</span> wdi,<br>
<p>                          <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (14) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="weekday_indexed.html"><span class="kw2570">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span></span></a><span class="sy3">&amp;</span> wdi, <span class="kw4">int</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (15) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>month_weekday_last</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m,<br>
<p>                          <span class="kw4">const</span> <a href="weekday_last.html"><span class="kw2569">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span></span></a><span class="sy3">&amp;</span> wdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (16) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> m, <span class="kw4">const</span> <a href="weekday_last.html"><span class="kw2569">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span></span></a><span class="sy3">&amp;</span> wdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (17) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="weekday_last.html"><span class="kw2569">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span></span></a><span class="sy3">&amp;</span> wdl,<br>
<p>                          <span class="kw4">const</span> <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="sy3">&amp;</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (18) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="weekday_last.html"><span class="kw2569">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span></span></a><span class="sy3">&amp;</span> wdl, <span class="kw4">int</span> m <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (19) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>year_month_day</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy3">&amp;</span> ym,<br>
<p>                          <span class="kw4">const</span> <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="sy3">&amp;</span> d <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (20) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy3">&amp;</span> ym, <span class="kw4">int</span> d <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (21) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y,<br>
<p>                          <span class="kw4">const</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy3">&amp;</span> md <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (22) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> y, <span class="kw4">const</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy3">&amp;</span> md <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (23) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy3">&amp;</span> md,<br>
<p>                          <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (24) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="sy3">&amp;</span> md, <span class="kw4">int</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="sy4">;</span></span></div></td>
<td> (25) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>year_month_day_last</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy3">&amp;</span> ym,<br>
<p>                         <a href="last_spec.html"><span class="kw2545">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">last_spec</span></span></a> <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (26) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y,<br>
<p>                          <span class="kw4">const</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy3">&amp;</span> mdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (27) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> y, <span class="kw4">const</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy3">&amp;</span> mdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (28) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy3">&amp;</span> mdl,<br>
<p>                          <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (29) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="sy3">&amp;</span> mdl, <span class="kw4">int</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (30) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>year_month_weekday</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy3">&amp;</span> ym,<br>
<p>                          <span class="kw4">const</span> <a href="weekday_indexed.html"><span class="kw2570">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_indexed</span></span></a><span class="sy3">&amp;</span> wdi <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (31) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y,<br>
<p>                          <span class="kw4">const</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy3">&amp;</span> mwd <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (32) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> y, <span class="kw4">const</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy3">&amp;</span> mwd <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (33) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy3">&amp;</span> mwd,<br>
<p>                          <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (34) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="sy3">&amp;</span> mwd, <span class="kw4">int</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="sy4">;</span></span></div></td>
<td> (35) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-h">
<td> <div><code>year_month_weekday_last</code></div></td>
<td></td>
<td></td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="sy3">&amp;</span> ym,<br>
<p>                          <span class="kw4">const</span> <a href="weekday_last.html"><span class="kw2569">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">weekday_last</span></span></a><span class="sy3">&amp;</span> wdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (36) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y,<br>
<p>                          <span class="kw4">const</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy3">&amp;</span> mwdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (37) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">int</span> y, <span class="kw4">const</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy3">&amp;</span> mwdl <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (38) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy3">&amp;</span> mwdl,<br>
<p>                          <span class="kw4">const</span> <a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="sy3">&amp;</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
</p>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (39) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl t-since-cxx20">
<td> <div><span class="mw-geshi cpp source-cpp"><span class="kw4">constexpr</span> <span class="kw4">auto</span> operator<span class="sy2">/</span><span class="br0">(</span> <span class="kw4">const</span> <a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="sy3">&amp;</span> mwdl, <span class="kw4">int</span> y <span class="br0">)</span> <span class="kw1">noexcept</span><br>
    <span class="sy2">-</span><span class="sy1">&gt;</span> <a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="sy4">;</span></span></div></td>
<td> (40) </td>
<td> <span class="t-mark-rev t-since-cxx20">(since C++20)</span> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<p>These <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy2">/</span></span></span> overloads provide a conventional syntax for the creation of <a href="https://en.wikipedia.org/wiki/Proleptic_Gregorian_calendar" class="extiw" title="enwiki:Proleptic Gregorian calendar">Gregorian calendar</a> dates.
</p><p>For creation of a full date, any of the following three orders are accepted:
</p>
<ul><li> <i><code>year/month/day</code></i>
</li><li> <i><code>month/day/year</code></i>
</li><li> <i><code>day/month/year</code></i>. 
</li></ul>
<p>In each case <i><code>day</code></i> can replaced with one of:
</p>
<ul><li> <span class="t-lc">std::chrono::last</span>, for the last day of the month;
</li><li> <code><i>weekday</i>[<i>i</i>]</code>, for the <i>i</i>-th <i>weekday</i> of the month;
</li><li> <code><i>weekday</i>[<span class="t-lc">std::chrono::last</span>]</code>, for the last <i>weekday</i> of the month.
</li></ul>
<p>A plain integer is accepted if its meaning is unambiguous from the types of other operands: <span class="t-c"><span class="mw-geshi cpp source-cpp">2005y<span class="sy2">/</span><span class="nu0">4</span><span class="sy2">/</span><span class="nu0">5</span></span></span> is allowed, but <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu0">5</span><span class="sy2">/</span>April<span class="sy2">/</span><span class="nu0">2005</span></span></span> is not.
</p><p>Partial-date types (<a href="year_month.html" title="cpp/chrono/year month"><tt>year_month</tt></a>, <a href="month_day.html" title="cpp/chrono/month day"><tt>month_day</tt></a>, etc.) can be created by not applying the second <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy2">/</span></span></span> in any of the three orders.
</p>
<h3><span class="mw-headline" id="Return_value"> Return value </span></h3>
<div class="t-li1"><span class="t-li">1)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="br0">(</span>y, m<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">2)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month.html"><span class="kw2558">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month</span></span></a><span class="br0">(</span>y, <a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="br0">(</span>m<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">3,6)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="br0">(</span>m, d<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">4)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="br0">(</span>m, <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="br0">(</span>d<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">5,7)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_day.html"><span class="kw2591">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day</span></span></a><span class="br0">(</span><a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="br0">(</span>m<span class="br0">)</span>, d<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">8,10)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="br0">(</span>m<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">9,11)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="br0">(</span><a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="br0">(</span>m<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">12,14)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="br0">(</span>m, wdi<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">13,15)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_weekday.html"><span class="kw2589">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday</span></span></a><span class="br0">(</span><a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="br0">(</span>m<span class="br0">)</span>, wdi<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">16,18)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="br0">(</span>m, wdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">17,19)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="month_weekday_last.html"><span class="kw2590">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_weekday_last</span></span></a><span class="br0">(</span><a href="month.html"><span class="kw2606">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month</span></span></a><span class="br0">(</span>m<span class="br0">)</span>, wdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">20)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, d<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">21)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, <a href="day.html"><span class="kw2605">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">day</span></span></a><span class="br0">(</span>d<span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">22,24)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="br0">(</span>y, md.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, md.<span class="me1">day</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">23,25)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day.html"><span class="kw2559">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day</span></span></a><span class="br0">(</span><a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="br0">(</span>y<span class="br0">)</span>, md.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, md.<span class="me1">day</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">26)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, <a href="month_day_last.html"><span class="kw2592">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">month_day_last</span></span></a><span class="br0">(</span>ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">27,29)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="br0">(</span>y, mdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">28,30)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_day_last.html"><span class="kw2560">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_day_last</span></span></a><span class="br0">(</span><a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="br0">(</span>y<span class="br0">)</span>, mdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">31)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, wdi<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">32,34)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="br0">(</span>y, mwd.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwd.<span class="me1">weekday_indexed</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">33,35)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_weekday.html"><span class="kw2556">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday</span></span></a><span class="br0">(</span><a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="br0">(</span>y<span class="br0">)</span>, mwd.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwd.<span class="me1">weekday_indexed</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">36)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="br0">(</span>ym.<span class="me1">year</span><span class="br0">(</span><span class="br0">)</span>, ym.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, wdl<span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">37,39)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="br0">(</span>y, mwdl.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwdl.<span class="me1">weekday_last</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<div class="t-li1"><span class="t-li">38,40)</span> <span class="t-c"><span class="mw-geshi cpp source-cpp"><a href="year_month_weekday_last.html"><span class="kw2557">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year_month_weekday_last</span></span></a><span class="br0">(</span><a href="year.html"><span class="kw2621">std::<span class="me2">chrono</span><span class="sy4">::</span><span class="me2">year</span></span></a><span class="br0">(</span>y<span class="br0">)</span>, mwdl.<span class="me1">month</span><span class="br0">(</span><span class="br0">)</span>, mwdl.<span class="me1">weekday_last</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span></div>
<h3><span class="mw-headline" id="Example"> Example </span></h3>
<div class="t-example"><div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;chrono&gt;</span>
<span class="kw1">using</span> <span class="kw1">namespace</span> std<span class="sy4">::</span><span class="me2">chrono</span><span class="sy4">;</span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <a href="../io/manip/boolalpha.html"><span class="kw1768">std::<span class="me2">boolalpha</span></span></a><span class="sy4">;</span>
 
    <span class="co1">// standard provides 2021y as option for std::chrono::year(2021)</span>
    <span class="co1">// standard provides 15d as option for std::chrono::day(15)</span>
 
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> ym <span class="br0">{</span>year<span class="br0">(</span><span class="nu0">2021</span><span class="br0">)</span><span class="sy2">/</span><span class="nu0">8</span><span class="br0">}</span><span class="sy4">;</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>ym <span class="sy1">==</span> year_month<span class="br0">(</span>year<span class="br0">(</span><span class="nu0">2021</span><span class="br0">)</span>, August<span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">' '</span><span class="sy4">;</span>
 
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> md <span class="br0">{</span><span class="nu0">9</span><span class="sy2">/</span>day<span class="br0">(</span><span class="nu0">15</span><span class="br0">)</span><span class="br0">}</span><span class="sy4">;</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>md <span class="sy1">==</span> month_day<span class="br0">(</span>September, day<span class="br0">(</span><span class="nu0">15</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">' '</span><span class="sy4">;</span>
 
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> mdl <span class="br0">{</span>October<span class="sy2">/</span>last<span class="br0">}</span><span class="sy4">;</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>mdl <span class="sy1">==</span> month_day_last<span class="br0">(</span>month<span class="br0">(</span><span class="nu0">10</span><span class="br0">)</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">' '</span><span class="sy4">;</span>
 
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> mw <span class="br0">{</span><span class="nu0">11</span><span class="sy2">/</span>Monday<span class="br0">[</span><span class="nu0">3</span><span class="br0">]</span><span class="br0">}</span><span class="sy4">;</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>mw <span class="sy1">==</span> month_weekday<span class="br0">(</span>November, Monday<span class="br0">[</span><span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">' '</span><span class="sy4">;</span>
 
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> mwdl <span class="br0">{</span>December<span class="sy2">/</span>Sunday<span class="br0">[</span>last<span class="br0">]</span><span class="br0">}</span><span class="sy4">;</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>mwdl <span class="sy1">==</span> month_weekday_last<span class="br0">(</span>month<span class="br0">(</span><span class="nu0">12</span><span class="br0">)</span>, weekday_last<span class="br0">(</span>Sunday<span class="br0">)</span><span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">' '</span><span class="sy4">;</span>
 
    <span class="co1">// Those three year/month/day orders that people actually use on this planet:</span>
    <span class="kw4">constexpr</span> <span class="kw4">auto</span> ymd <span class="br0">{</span>year<span class="br0">(</span><span class="nu0">2021</span><span class="br0">)</span><span class="sy2">/</span>January<span class="sy2">/</span>day<span class="br0">(</span><span class="nu0">23</span><span class="br0">)</span><span class="br0">}</span><span class="sy4">;</span>
    static_assert<span class="br0">(</span>ymd <span class="sy1">==</span> month<span class="br0">{</span><span class="nu0">1</span><span class="br0">}</span><span class="sy2">/</span><span class="nu0">23</span><span class="sy2">/</span><span class="nu0">2021</span><span class="br0">)</span><span class="sy4">;</span>
    static_assert<span class="br0">(</span>ymd <span class="sy1">==</span> day<span class="br0">{</span><span class="nu0">23</span><span class="br0">}</span><span class="sy2">/</span><span class="nu0">1</span><span class="sy2">/</span><span class="nu0">2021</span><span class="br0">)</span><span class="sy4">;</span>
    <a href="../io/cout.html"><span class="kw1762">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="br0">(</span>ymd <span class="sy1">==</span> year_month_day<span class="br0">(</span>2021y, month<span class="br0">(</span>January<span class="br0">)</span>, 23d<span class="br0">)</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">true true true true true true</pre></div></div> 
</div>

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